1 //===- unittests/AST/DeclTest.cpp --- Declaration tests -------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // Unit tests for the ASTVector container.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "clang/AST/ASTVector.h"
14 #include "clang/AST/ASTContext.h"
15 #include "clang/Basic/Builtins.h"
16 #include "clang/Basic/FileManager.h"
17 #include "clang/Basic/SourceManager.h"
18 #include "gtest/gtest.h"
19
20 using namespace clang;
21
22 namespace clang {
23 namespace ast {
24
25 namespace {
26 class ASTVectorTest : public ::testing::Test {
27 protected:
ASTVectorTest()28 ASTVectorTest()
29 : FileMgr(FileMgrOpts), DiagID(new DiagnosticIDs()),
30 Diags(DiagID, new DiagnosticOptions, new IgnoringDiagConsumer()),
31 SourceMgr(Diags, FileMgr), Idents(LangOpts, nullptr),
32 Ctxt(LangOpts, SourceMgr, Idents, Sels, Builtins, TU_Complete) {}
33
34 FileSystemOptions FileMgrOpts;
35 FileManager FileMgr;
36 IntrusiveRefCntPtr<DiagnosticIDs> DiagID;
37 DiagnosticsEngine Diags;
38 SourceManager SourceMgr;
39 LangOptions LangOpts;
40 IdentifierTable Idents;
41 SelectorTable Sels;
42 Builtin::Context Builtins;
43 ASTContext Ctxt;
44 };
45 } // unnamed namespace
46
TEST_F(ASTVectorTest,Compile)47 TEST_F(ASTVectorTest, Compile) {
48 ASTVector<int> V;
49 V.insert(Ctxt, V.begin(), 0);
50 }
51
TEST_F(ASTVectorTest,InsertFill)52 TEST_F(ASTVectorTest, InsertFill) {
53 ASTVector<double> V;
54
55 // Ensure returned iterator points to first of inserted elements
56 auto I = V.insert(Ctxt, V.begin(), 5, 1.0);
57 ASSERT_EQ(V.begin(), I);
58
59 // Check non-empty case as well
60 I = V.insert(Ctxt, V.begin() + 1, 5, 1.0);
61 ASSERT_EQ(V.begin() + 1, I);
62
63 // And insert-at-end
64 I = V.insert(Ctxt, V.end(), 5, 1.0);
65 ASSERT_EQ(V.end() - 5, I);
66 }
67
TEST_F(ASTVectorTest,InsertEmpty)68 TEST_F(ASTVectorTest, InsertEmpty) {
69 ASTVector<double> V;
70
71 // Ensure no pointer overflow when inserting empty range
72 int Values[] = { 0, 1, 2, 3 };
73 ArrayRef<int> IntVec(Values);
74 auto I = V.insert(Ctxt, V.begin(), IntVec.begin(), IntVec.begin());
75 ASSERT_EQ(V.begin(), I);
76 ASSERT_TRUE(V.empty());
77
78 // Non-empty range
79 I = V.insert(Ctxt, V.begin(), IntVec.begin(), IntVec.end());
80 ASSERT_EQ(V.begin(), I);
81
82 // Non-Empty Vector, empty range
83 I = V.insert(Ctxt, V.end(), IntVec.begin(), IntVec.begin());
84 ASSERT_EQ(V.begin() + IntVec.size(), I);
85
86 // Non-Empty Vector, non-empty range
87 I = V.insert(Ctxt, V.end(), IntVec.begin(), IntVec.end());
88 ASSERT_EQ(V.begin() + IntVec.size(), I);
89 }
90
91 } // end namespace ast
92 } // end namespace clang
93